enum type having private constructor



public enum SeasonTest
{
    WINTER(2), SUMMER(3), FALL(4), SPRING(1);
 
    private int st;
 
    SeasonTest(int t) { st=t; }
 
    public int getSeason() { return st; }

    public static void main(String[] args) {
     
 
        for (SeasonTest ss : SeasonTest.values()) {
            System.out.println(ss + " : " + ss.getSeason());
        }
        SeasonTest s = SeasonTest.SPRING;
        System.out.println(s.getSeason());
     
        SeasonTest s1 = SeasonTest.SPRING;
        switch(s1) {
            case SPRING  : System.out.println("Spring"); break;
            case SUMMER :   System.out.println("Summer"); break;
            default :   System.out.println("no season.."); break;
        }
    }
}

Comments

Post a Comment

Popular posts from this blog

Custom Exception example for BankAccount

class BankAccount {      int accountNumber;     double accountBalance;     public BankAccount(int accountNumber, double accountBalance) {         this.accountNumber = accountNumber;         this.accountBalance = accountBalance;     }     public int getAccountNumber() {         return accountNumber;     }     public double getAccountBalance() {         return accountBalance;     }           public boolean withdraw (double amount) throws WithdrawLimitException     {         if( amount > accountBalance) {                      throw new WithdrawLimitException("Withdrawing Amount is more than Balance amount.. ");                       ...
Read more

Annotation

import java.lang.annotation.ElementType; import java.lang.annotation.Retention; import java.lang.annotation.RetentionPolicy; import java.lang.annotation.Target; import java.util.Date; /**  *  * @author bhavesh  */ @Retention(RetentionPolicy.CLASS) @Target(ElementType.TYPE) public @interface NewAnnotation {         public String name();     public int myno() default 10;     //public Date mydate =new Date();                 } /**  *  * @author bhavesh  */ class A {     public void test()     {             } } class B extends A {     @Override     public void test()     {             } } // Use of annotation called NewAnnotation .... @NewAnnotation(name="ISTAR")       public class ClassAnnotationTest { ...
Read more

Interface with class and interface as member

/**  *  * @author bhavesh  */ public interface MyOuterInterface {     // static class     public  class myinn {                 private int var;                 public void setVar(int v) {                         var =v;         }         public int getVar()  {  return var; }     }         // static interface     public interface myint {             }     } // Use of above interface with its inner class  example /**  *  * @author bhavesh  */ public class MainOuterClass {        public static void main(String[] args) {                  MyOuterExa...
Read more